(19)

(11)

EP 3 154 712 A1

(12)

(43) Date of publication: 19.04.2017 Bulletin 2017/16 (21) Application number: 15726210.6 (22) Date of filing: 09.06.2015

(51) International Patent Classification (IPC):  B05C 7/04(2006.01) F01N 3/28(2006.01) B01J 37/02(2006.01) (86) International application number: PCT/EP2015/062767 (87) International publication number: WO 2015/189171 (17.12.2015 Gazette 2015/50)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA (30) Priority: 11.06.2014 EP 14171938 (71) Applicant: Umicore AG & Co. KG 63457 Hanau-Wolfgang (DE)	(72) Inventor: MASSON, Stéphane F-68128 Village Neuf (FR)